Which trinomial did she factor? x2 + 4x – 12 x2 + 2x – 6 x2 – 8x – 6 x2 – 4x – 12

Solution:

Starting from options, by splitting the middle term we can factor the trinomial,

Option 2, x²+2 x -6, and Option (3) x²- 8 x-6, can't be factored.

But,1. x²+4 x-12 and 4. x²-4 x-12 can be factored.

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no i do not : ( what is it?